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Wulong
Basic information Name: Wulong
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2022
Country: China
Mass:help 70 kg
Classification
  history:
Recommended:  Pallasite    [explanation]

This is 1 of 71 approved meteorites classified as Pallasite.   [show all]
Search for other: Metal-rich meteorites, Pallasites
Comments: Approved 26 Mar 2022
Writeuphelp
Writeup from MB 111:

Wulong        48°25.64’N, 123°46.54’E

Nei Mongol, China

Find: 1992

Classification: Pallasite

History: Approximately 30 years ago (i.e., ~1990), one farmer, in Wulong Village, ArongQi City, Inner Mongolia, China, went to a field seeking building bricks to construct a fence at his residence. He spotted an irregular yellow stone in a farmland and brought it back to his home. The stone was eventually abandoned in his yard due to its shape and weight. Recently, the finder uploaded the picture of stone to the Internet and contacted a Chinese meteorite collector (Ma Rongwei). On Feb. 28, 2022, Ma Rongwei traveled to ArongQi and purchased this stone.

Physical characteristics: The stone weighs about 70 kilograms with an irregular shape in a size of 42 × 38 × 45 cm. The stone looks brownish with a rusty appearance. Numerous large brown to greenish silicate crystals (up to 2 cm) are visible on its exterior.

Petrography: Slices of the stone show a mixture of olivine and metal, with an average of 80% olivine (volume). Olivine grains are dominantly round with a size up to 3 cm, green to brown. Finer-grained irregular olivines occur in patches in some areas of the section. Minor phases include troilite, schreibersite, and chromite.

Geochemistry: Olivine: Fa=12.4±1.2, n=13. Kamacite Ni=6.5±1.1wt%

Classification: Pallasite, based on olivine composition and texture.

Data from:
  MB111
  Table 0
  Line 0:
State/Prov/County:Nei Mongol
Origin or pseudonym:Farm Land
Place of purchase:ArongQi, Inner Mongolia
Date:1992
Latitude:48°25.64'N
Longitude:123°46.54'E
Mass (g):70000
Pieces:1
Class:Pallasite
Weathering grade:low
Fayalite (mol%):12.4±1.2 (n=13)
Classifier:He W.
Type spec mass (g):34 gram
Type spec location:PMO
Main mass:Ma Rongwei
Comments:Submitted by W. Hsu
Institutions
   and collections
PMO: Purple Mountain Observatory, Nanjing, China (institutional address; updated 16 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 111, in preparation (2022)
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Photos:
CreditPhotos
Public domain photographs:
Weibiao Hsu            
Geography:

China
Coordinates:
     Recommended::   (48° 25' 38"N, 123° 46' 32"E)

Statistics:
     This is 1 of 26 approved meteorites from Nei Mongol, China (plus 1 unapproved name)
     This is 1 of 452 approved meteorites from China (plus 9 unapproved names) (plus 1 impact crater)
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